SUBNET.IM

AS21021Multimedia Polska Sp. z o.o.

PolandRegistryRIPE NCCTypeEyeball

At a glance

IPv4 prefixes

45

IPv6 prefixes

2

IPv4 addresses

635k

IPv6 /64s

8.6B

Upstream graph

The networks AS21021 is seen behind, one and two hops out, drawn from real AS paths.

AS21021Toward the internet core
Upstream graph for AS21021: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21021Multimedia Polska…This networkAS29314VECTRA S.A.AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS21021 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

42

adjacent networks

Upstreams
12%
Peers
2252%
Downstreams
1945%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS21021
NetworkCountryRelationshipPathsVantage pts
AS29314VECTRA S.A.PLPeer4,508139

Prefixes

All 47

The largest blocks AS21021 originates, widest first.

Largest prefixes originated by AS21021
PrefixAddressesVisibility
81.190.0.0/1665.5k80/80
89.228.0.0/1665.5k80/80
89.229.0.0/1665.5k80/80
89.230.0.0/1665.5k80/80
89.231.0.0/1665.5k80/80
37.190.128.0/1732.8k80/80
46.186.0.0/1732.8k80/80
94.251.128.0/1732.8k80/80
31.6.128.0/1816.4k80/80
62.141.192.0/1816.4k80/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.